Results 1 to 10 of about 27,225 (131)
In this study, evolutionary and expression analyses of the P450 gene family in Rosa chinensis were conducted using bioinformatics analysis methods, and the mechanism by which these genes are involved in the synthesis of rose fragrance was explored.
王君妍(WANG Junyan) +4 more
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Research progress on heat resistance of Rhododendron germplasm resources(杜鹃花种质资源耐热性研究进展)
China has the richest germplasm resources of Rhododendron, but most species thrive in high-altitude cool areas. Currently, only a limited number of these species are utilized in landscaping, and their summer performance is generally poor.
曹雨晴(CAO Yuqing) +6 more
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Paenonia lactiflora Pall. is a renowned traditional Chinese flower, and it is of great significance to study its cold tolerance mechanism for breeding new varieties and expanding its popularization.
王琪瑶(WANG Qiyao) +7 more
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Research progress on the underground-bud dormancy mechanisms of ornamental flowers(观赏花卉的地下芽休眠机制研究进展)
The underground-bud plants, namely, the geophytes, constitute an important category in bud classification of plants. These plants include a significant number of ornamental flowers.
郭俊宏(GUO Junhong) +9 more
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AKT1基因多态性与中国汉族人群双相情感障碍遗传易感性的关系探讨
目的探讨蛋白激酶B1(AKT1)基因多态性与中国汉族人群双相情感障碍(BPD)遗传易感性的关系。方法选取2018年10月-2020年10月阜阳市第三人民医院收治的110例BPD患者,设为BPD组;另选取同期进行体检的110例健康受试者,设为健康组。采用聚合酶链反应-限制性片段长度多态性法(PCR-RFLP)分析外周血AKT1基因位点rs2494732、rs3001371、rs3803300、rs2498799、rs3730358单核苷酸多态性(SNP),比较BPD组与健康组位点基因型分布及等位基因频率 ...
闻庆云, 周香云, 吴远雄
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In this study, we explored the construction of a homologous gene silencing system for Lycoris insularis, which is a rich wild resource in Zhejiang Province with bulbs as explants, and through this system, the biological functions of Lycoris insularis ...
肖潇(XIAO Xiao) +5 more
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膀胱移行细胞癌组织基因的P14ARF、DAPK、RARβ甲基化变异分析
目的通过检测新鲜冰冻膀胱癌组织中P14ARF、DAPK、RARβ基因的启动子CpG岛基因的甲基化状态,探讨P14ARF、DAPK、RARβ在膀胱癌发生过程中的作用及诊断意义。方法采用甲基化特异性PCR技术检测48例手术切除的膀胱癌组织和其中13例相应癌旁组织标本、17例非肿瘤患者正常膀胱组织中DAPK、RARβ、P14ARF基因的甲基化情况。结果 48例膀胱癌组织中发现P14ARF基因异常甲基化13例(27.0%),DAPK基因异常甲基化13例(27.0%);RARβ基因异常甲基化44例(91.6 ...
王凯臣 +5 more
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细胞毒性T 淋巴细胞相关抗原4 基因型与中国南方人群Graves ’ 病的关系
【目的】探讨细胞毒性T淋巴细胞相关抗原-4(cytotoxic T lymphocyte associated antigen 4)基因第一外显子A/G(49)多态性与中国南方汉族人群Graves′病的关系。【方法】用PCR-RFLP确定CTLA-4基因第1外显子49位点基因型,分析广东地区汉族人Graves′病患者(GD组)120例及123名正常人(对照组)CTLA-4基因多态性。并把GD患者按性别、家族史、TRAb、突眼等分别分两亚组后分析CTLA-4基因第1外显子A49G位点基因型及等位基因的频率。
姚斌 +4 more
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嘌呤核苷酸补偿对海洛因依赖大鼠脑组织中TPH和GTPCH基因表达的影响
目的研究嘌呤核苷酸补偿对海洛因依赖大鼠脑组织中色氨酸羟化酶(tryptophan hydroxylase,TPH)、GTP环水化酶1(GTP cyclohydrolase1,GTPCH)基因表达的影响。方法剂量递增腹腔注射海洛因,建立海洛因依赖大鼠模型,50只正常雄性Wistar大鼠随机分为对照组(C)、海洛因组(H)、海洛因补偿AMP+GMP组(HAG)、海洛因补偿AMP组(HA)、海洛因补偿GMP组(HG),每组10只。Real-timePCR法测定各组大鼠脑组织中TPH和GTPCH1基因的表达 ...
李鸿梅 +4 more
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目的探讨大肠肿瘤p53和ki-ras基因协同突变的临床意义。方法采用免疫组化和PCR-SSCP方法,检测58例大肠肿瘤患者的良性病变、良性病变转为恶变、原发腺癌组织的p53基因、ki-ras基因的表达和突变情况。结果良性病变组与恶变组间的p53基因和Ki-ras基因的表达有显著差异,良性病变组与原发腺癌组的Ki-ras基因表达差异显著;良性病变组的p53基因与Ki-ras基因的表达呈负相关,而恶变组和原发腺癌组呈正相关。p53基因和ki-ras基因两种基因突变率无显著差异,而协同突变与淋巴结转移密切相关,
侯睿哲 +3 more
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